SERENA: A Neutral Atoms Detector to be proposed for the ESA's BepiColombo Planetary Orbiter

Details SERENA: A Neutral Atoms Detector to be proposed for the ESA's BepiColombo Planetary Orbiter SERENA: A Neutral Atoms Detector to be proposed for the ESA's BepiColombo Planetary Orbiter

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja....10277d&link_type=abstract

EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #10277

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A comprehensive suite for the neutral particles detection in the Mercury environment is under development and it will be proposed in the frame of the ESA cornerstone’s BepiColombo mission. The package, namely NPA - SERENA (Neutral Particle Analyser - Searching for Exospheric Refilling and Emitted Neutral Abundances), consists of three dedicated spectrometers (MAIA, ELENA, and M/H-ENA) identifying and measuring the particles and their energies, namely from fraction of eV to tens of keV. The proposed sensors will observe and analyse the bulk of the sub-thermal / thermal exospheric (0-50 eV) gas along the ram direction (MAIA), the sputtering emission (E min < 100eV; E max > 1 keV) within 1-D (2 deg x 60 deg) nadir cross track slices from the planet surface (ELENA), and the charge exchange between ions and exospheric gas (E min < 5 keV; E max > 30 keV) in order to monitor the Mercury’s magnetosphere dynamics (M/H-ENA). The paper describes the progress achieved in the system and sensor level design and provides a summary report on the laboratory test of the investigated techniques and of the expected performances of the ELENA detector head.

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